import {Material} from './Material.js';
import {Vector3} from '../math/Vector3.js';

/**
 * parameters = {
 *
 *  referencePosition: <float>,
 *  nearDistance: <float>,
 *  farDistance: <float>,
 *
 *  skinning: <bool>,
 *  morphTargets: <bool>,
 *
 *  map: new THREE.Texture( <Image> ),
 *
 *  alphaMap: new THREE.Texture( <Image> ),
 *
 *  displacementMap: new THREE.Texture( <Image> ),
 *  displacementScale: <float>,
 *  displacementBias: <float>
 *
 * }
 */

function MeshDistanceMaterial(parameters) {

  Material.call(this);

  this.type = 'MeshDistanceMaterial';

  this.referencePosition = new Vector3();
  this.nearDistance = 1;
  this.farDistance = 1000;

  this.skinning = false;
  this.morphTargets = false;

  this.map = null;

  this.alphaMap = null;

  this.displacementMap = null;
  this.displacementScale = 1;
  this.displacementBias = 0;

  this.fog = false;

  this.setValues(parameters);

}

MeshDistanceMaterial.prototype = Object.create(Material.prototype);
MeshDistanceMaterial.prototype.constructor = MeshDistanceMaterial;

MeshDistanceMaterial.prototype.isMeshDistanceMaterial = true;

MeshDistanceMaterial.prototype.copy = function (source) {

  Material.prototype.copy.call(this, source);

  this.referencePosition.copy(source.referencePosition);
  this.nearDistance = source.nearDistance;
  this.farDistance = source.farDistance;

  this.skinning = source.skinning;
  this.morphTargets = source.morphTargets;

  this.map = source.map;

  this.alphaMap = source.alphaMap;

  this.displacementMap = source.displacementMap;
  this.displacementScale = source.displacementScale;
  this.displacementBias = source.displacementBias;

  return this;

};


export {MeshDistanceMaterial};
